The figure below shows a Paramecium, a single-celled freshwater protist. The hairlike structures visible on the Paramecium allow it to move. These structures are ________.

A) microfilaments
B) intermediate filaments
C) flagella
D) cilia


Answer: D) cilia

Biology & Microbiology

You might also like to view...

Conifer resin has what properties?

_____ It hardens on contact with air. _____ It flows through ducts in the wood and leaves. _____ It forms amber, often trapping insects and other organisms. _____ It attracts insects and other organisms that facilitate reproduction. _____ It can prevent attack by herbivores and pathogens.

Biology & Microbiology

The duplication of the complete set of chromosomes in an organism's cell, followed by the separation

of the duplicated chromosomes into two new cells is known as ____.

a. mitosis b. cytokinesis c. binary fission d. meiosis e. fertilization

Biology & Microbiology

The zygote goes through ____ to become a(n) ____

a. cleavage; blastula b. cleavage; gastrula c. zygote formation; embryo d. cleavage; egg e. fertilization; blastula

Biology & Microbiology

Which of the following statements concerning enzymes is FALSE?

A) They are usually, but not always, proteins. B) They always function best at 37°C. C) They can be denatured if the pH of their environment is too high or too low. D) They form a temporary intermediate compound with a substrate. E) They can be used to catalyze a chemical reaction over and over again.

Biology & Microbiology